Global Patent Index - EP 0985440 A1

EP 0985440 A1 20000315 - Cyrogenic rectification system with corona discharge feed air pretreatment

Title (en)

Cyrogenic rectification system with corona discharge feed air pretreatment

Title (de)

Kryogenisches Rektifikationsystem mit Vorbehandlung mittels elektrischer Koronaentladung

Title (fr)

Système de rectification cryogénique comprenant un prétraitement par décharge couronne

Publication

EP 0985440 A1 (EN)

Application

EP 99117808 A

Priority

US 15024498 A

Abstract (en)

A system including the pretreatment of feed air for a cryogenic air separation plant wherein feed air is passed through an electric field, oxygen is ionized, and ionized oxygen is reacted with hydrocarbons upstream of an adsorption prepurifier, and subsequent separation of the feed air by cryogenic rectification. <IMAGE>

IPC 1-7

B01D 53/32; B01J 19/08; F25J 3/04

IPC 8 full level

F25J 3/04 (2006.01); B01D 53/32 (2006.01); B01J 19/08 (2006.01)

CPC (source: EP)

B01D 53/32 (2013.01); F25J 3/04163 (2013.01); F25J 3/04169 (2013.01); B01J 2219/0849 (2013.01); B01J 2219/0894 (2013.01); F25J 2205/86 (2013.01)

Citation (search report)

Designated contracting state (EPC)

DE ES FR GB IT

DOCDB simple family (publication)

EP 0985440 A1 20000315; BR 9904093 A 20000919; CA 2282025 A1 20000310; CN 1248481 A 20000329; ID 23704 A 20000511; KR 20000023008 A 20000425; US 6042699 A 20000328

DOCDB simple family (application)

EP 99117808 A 19990909; BR 9904093 A 19990909; CA 2282025 A 19990909; CN 99118566 A 19990909; ID 990835 D 19990902; KR 19990038276 A 19990909; US 15024498 A 19980910